Answer:
The roots of the quadratic equation are , .
Step-by-step explanation:
The roots of the quadratic equation are , .
Step-by-step explanation:
As given the equation in the form
Simplify the above equation
(x-2)-x = 3x × (x-2)
x-2 - x = 3x² - 6x
3x² - 6x + 2 = 0
As the equation is written in the form ax² + bx + c = 0
a = 3 , b = -6 , c = 2
Put all the values in the above equation
Thus
Therefore the roots of the quadratic equation are , .
Answer:
A) -7/9
Step-by-step explanation:
-4(x + 4x) = 2(2 - x) + 10
-4x - 16x = 4 - 2x + 10
-4x - 16x + 2x - 4 - 14 = 0
-18x -14 = 0
-18x = 14
x = - 14/18
x = - 7/9
Simple...
you have:
RS=15
RT=18
If you're trying to find ST....
RT-RS=ST
In math..( xD)...
18-15=3
ST=3
Thus, your answer.
Width -
x ft.
Length -
(x+6)ft.
x(x+6)=315
x²+6x-315=0
a=1, b=6, c=-315
D=b²-4ac=36+4*1*315=1296, √D=√1296=36
![x = \frac{-b+/- \sqrt{D} }{2a} \\ \\ x= \frac{-6+/-36}{2} \\ \\ x=15, x=-21](https://tex.z-dn.net/?f=%20%20x%20%3D%20%20%20%5Cfrac%7B-b%2B%2F-%20%5Csqrt%7BD%7D%20%7D%7B2a%7D%20%0A%5C%5C%20%5C%5C%20x%3D%20%5Cfrac%7B-6%2B%2F-36%7D%7B2%7D%20%0A%5C%5C%20%5C%5C%20x%3D15%2C%20x%3D-21)
For the width we can use only positive number.
The width =
15 ft.
The length =15+6=
21 ft.
Check :
Area =15*21=315 ft²